CVE-2026-9467
debugmcp mcp-debugger server.ts handleGetSourceContext path traversal
LOW 2.1EPSS 0.5%
A vulnerability was identified in debugmcp mcp-debugger up to 0.20.0. Impacted is the function handleGetSourceContext of the file src/server.ts. The manipulation leads to path traversal. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Affected
- debugmcp · mcp-debugger
- CVSS v4.0 VULDB
- 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 4.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 VULDB
- 4.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N - EPSS
- 0.52% chance of exploitation in the next 30 days, 43rd percentile
- Published
- 2026-05-25
- Updated
- 2026-05-26